Raw khoom xaiv thiab ua haujlwm
(1) Vitrified microbead sib sau ua ke
Cov khoom tseem ceeb tshaj plaws nyob rau hauv mortar yog vitrified microbeads, uas feem ntau siv thermal rwb thaiv tsev cov ntaub ntawv nyob rau hauv niaj hnub tsim tsev thiab muaj zoo thermal rwb thaiv tsev zog. Nws yog tsim los ntawm cov khoom siv iav acidic los ntawm kev ua haujlwm siab. Los ntawm qhov chaw ntawm lub mortar, particle tis ntawm cov khoom yog tsis tshua muaj tsis xwm yeem, zoo li kab noj hniav nrog ntau qhov. Txawm li cas los xij, thaum lub sij hawm tsim kho, peb tuaj yeem pom tias qhov kev ntxhib los mos ntawm cov khoom no yog qhov tseeb heev, thiab nws muaj lub foob zoo rau phab ntsa. Cov khoom siv yog lub teeb heev, muaj cov rwb thaiv tsev zoo, thiab muaj cov yam ntxwv ntawm qhov kub thiab txias tsis kam thiab hnav tsis kam. Nws yog ib qho khoom siv tseem ceeb hauv kev tsim vaj tsev niaj hnub. Feem ntau hais lus, thermal conductivity ntawm vitrified microbeads yog ib qho tseem ceeb, tshwj xeeb tshaj yog cov thermal conductivity ntawm qhov chaw yog qhov muaj zog tshaj plaws, thiab cov cua kub kuj yog siab heev. Yog li ntawd, nyob rau hauv daim ntawv thov project ntawm vitrified microbeads, cov neeg ua hauj lwm tsim kho yuav tsum tswj qhov deb thiab cheeb tsam ntawm txhua particle, thiaj li kom paub lub tshav kub rwb thaiv tsev thiab kub preservation muaj nuj nqi ntawm cov thermal rwb thaiv tsev cov ntaub ntawv.
(2) Tshuaj gypsum
Tshuaj gypsum yog lwm qhov tseem ceeb ntawm cov tshuaj khib. Nws tuaj yeem raug hu ua kev lag luam rov qab gypsum. Nws yog tsuas yog tsim los ntawm calcium sulfate pov tseg, yog li nws cov khoom siv tau yooj yim heev, thiab nws tuaj yeem paub txog kev siv cov peev txheej zoo thiab txuag lub zog. Nrog rau txoj kev loj hlob ntawm kev lag luam, ntau lub tuam txhab tso tawm qee qhov kev lag luam pov tseg thiab cov pa phem txhua hnub, xws li desulfurized gypsum xws li phosphogypsum. Thaum cov khib nyiab no nkag mus rau hauv qhov chaw, lawv yuav ua rau huab cua muaj kuab paug thiab cuam tshuam rau tib neeg kev noj qab haus huv. Yog li ntawd, tshuaj gypsum tuaj yeem hais tau tias yog lub zog tauj dua tshiab, tig pov tseg rau hauv kev nplua nuj thiab paub txog kev siv pov tseg. Cov koom haum cuam tshuam ntawm peb lub teb chaws tau ua qee qhov txiaj ntsig zoo rau kev tiv thaiv ib puag ncig hauv kev tshawb fawb txog tshuaj gypsum. Raws li ntau yam kev ua qias tuaj, phosphogypsum yog ib yam khoom muaj kuab paug heev. Yog tias lub Hoobkas tsis tso tawm phosphogypsum ib zaug, nws yuav ua rau muaj kuab paug loj rau ib puag ncig ib puag ncig. Txawm li cas los xij, cov khoom no tuaj yeem dhau los ua qhov tseem ceeb ntawm cov tshuaj gypsum. Element. Los ntawm kev tshuaj ntsuam thiab lub cev qhuav dej ntawm phosphogypsum, cov kws tshawb fawb tau ua tiav cov txheej txheem ntawm kev hloov cov khoom pov tseg rau hauv cov khoom muaj nqis thiab tsim cov tshuaj gypsum. Desulfurization gypsum tseem tuaj yeem hu ua flue gas desulfurization gypsum, uas yog cov khoom lag luam tsim los ntawm desulfurization thiab kev kho kom huv, thiab nws cov muaj pes tsawg leeg yog tib yam li ntawm ntuj gypsum. Cov dej dawb cov ntsiab lus ntawm desulfurized gypsum feem ntau kuj siab, uas yog ntau dua li ntawm ntuj gypsum, thiab nws cohesiveness kuj muaj zog. Ntau yam teeb meem kuj tshwm sim thaum lub sij hawm tag nrho cov txheej txheem ntau lawm. Yog li ntawd, cov txheej txheem tsim khoom ntawm lub tsev gypsum tsis tuaj yeem zoo ib yam li ntuj gypsum. Nws yog ib qho tsim nyog yuav tau txais cov txheej txheem ziab tshwj xeeb kom txo nws cov dej noo. Nws yog tsim los ntawm kev tshuaj xyuas nws thiab calcining ntawm ib qho kub. Tsuas yog nyob rau hauv txoj kev no nws tuaj yeem ua tau raws li cov qauv ntawv pov thawj hauv tebchaws thiab ua tau raws li qhov yuav tsum tau ua ntawm thermal rwb thaiv tsev tsim.
(3) Additives
Kev npaj cov tshuaj gypsum rwb thaiv tsev mortar yuav tsum siv lub tsev tshuaj gypsum ua cov khoom tseem ceeb. Vitrified microbeads feem ntau yog ua los ntawm kev sib xyaw ua ke. Cov kws tshawb fawb tau hloov nws cov khoom los ntawm kev sib xyaw kom tau raws li cov kev xav tau ntawm kev tsim kho. Thaum npaj cov thermal rwb thaiv tsev mortar, cov neeg ua haujlwm tsim kho yuav tsum tau ua tib zoo saib xyuas cov yam ntxwv ntawm kev tsim kho tshuaj gypsum, xws li viscosity thiab dej ntim loj, thiab xaiv cov khoom siv sib xyaw ua ke thiab kev xav.
1. Composite retarder. Raws li kev tsim kho ntawm cov khoom siv gypsum, lub sijhawm ua haujlwm yog qhov tseem ceeb ntawm nws qhov kev ua tau zoo, thiab qhov kev ntsuas tseem ceeb los ua kom lub sijhawm ua haujlwm ntev yog ntxiv retarder. Feem ntau siv gypsum retarders muaj xws li alkaline phosphate, citrate, tartrate, thiab lwm yam. Txawm hais tias cov retarders no muaj cov nyhuv retarding zoo, lawv kuj yuav cuam tshuam rau tom qab lub zog ntawm gypsum khoom. Lub retarder siv nyob rau hauv cov tshuaj gypsum thermal rwb thaiv tsev mortar yog ib tug puas retarder, uas yuav ua tau zoo txo cov solubility ntawm hemihydrate gypsum, qeeb ceev ntawm crystallization germ tsim, thiab qeeb cov txheej txheem crystallization. Cov nyhuv retarding yog pom tseeb yam tsis poob lub zog.
2. Cov dej tuav cov tuab tuab. Txhawm rau txhim kho kev ua haujlwm ntawm mortar, txhim kho dej tuav, fluidity thiab sag kuj, nws yog ib qho tsim nyog yuav tau ntxiv cellulose ether. Kev siv methyl hydroxyethyl cellulose ether tuaj yeem ua tau zoo dua lub luag haujlwm ntawm cov dej tuav thiab thickening, tshwj xeeb tshaj yog nyob rau hauv lub caij ntuj sov tsim.
3. Redispersible latex hmoov. Txhawm rau txhim kho kev sib koom ua ke, yooj yim thiab adhesion ntawm mortar rau lub substrate, redispersible latex hmoov yuav tsum tau siv los ua ib qho kev sib xyaw. Redispersible latex hmoov yog cov hmoov thermoplastic resin tau los ntawm kev ziab kom qhuav thiab tom qab ua tiav ntawm siab molecular polymer emulsion. Lub polymer nyob rau hauv lub mortar sib tov yog ib tug tas mus li theem, uas yuav zoo inhibit los yog ncua lub tiam thiab kev loj hlob ntawm cov kab nrib pleb. Feem ntau, kev sib txuas lub zog ntawm mortar yog ua tiav los ntawm lub hauv paus ntsiab lus ntawm kev siv tshuab occlusion, uas yog, nws yog maj mam solidified nyob rau hauv qhov khoob ntawm lub hauv paus khoom; Kev sib txuas ntawm cov polymers ntau dua nyob ntawm qhov adsorption thiab diffusion ntawm macromolecules ntawm qhov chaw sib txuas, thiab cov methyl Hydroxyethyl cellulose ether ua haujlwm ua ke kom nkag mus rau hauv qhov chaw ntawm lub hauv paus txheej, ua rau saum npoo ntawm cov khoom siv hauv paus thiab qhov chaw ntawm cov mortar. kaw hauv kev ua tau zoo, yog li txhim kho cov adsorption ntawm lawv thiab txhim kho kev sib raug zoo.
4. Lignin fibers. Lignocellulosic fibers yog cov khoom siv ntuj tsim uas nqus dej tab sis tsis yaj hauv nws. Nws muaj nuj nqi nyob rau hauv nws tus kheej yooj yooj yim thiab peb-dimensional network qauv tsim tom qab sib tov nrog lwm yam ntaub ntawv, uas yuav ua tau zoo tsis muaj zog lub qhuav shrinkage ntawm lub mortar thaum lub sij hawm ziab txheej txheem ntawm mortar, yog li txhim kho qhov tawg tsis kam ntawm mortar. Tsis tas li ntawd, qhov chaw peb-seem qhov chaw tuaj yeem kaw dej 2-6 npaug ntawm nws qhov hnyav hauv nruab nrab, uas muaj qee yam dej tuav; Nyob rau tib lub sijhawm, nws muaj cov thixotropy zoo, thiab cov qauv yuav hloov thaum lwm lub zog siv (xws li scraping thiab nplawm). Thiab npaj raws li kev taw qhia ntawm kev txav mus los, cov dej tso tawm, qhov viscosity txo qis, kev ua haujlwm tau zoo dua qub, thiab kev tsim kho kev ua haujlwm tuaj yeem txhim kho. Kev ntsuam xyuas tau pom tias luv thiab nruab nrab ntev ntawm lignin fibers yog haum.
5. Filler. Kev siv cov calcium carbonate hnyav (hnyav calcium) tuaj yeem hloov qhov kev ua haujlwm ntawm mortar thiab txo tus nqi.
Configuration thiab kev ua haujlwm
Khoom siv sib xyaw:
Kev faib ua feem ntawm cov roj hmab yog raws li nram no, siv tshuaj gypsum: 80% ~ 86%; Composite retarder: 0.2% ~ 5%; methyl hydroxyethyl cellulose ether: 0.2% ~ 0.5%; redispersible latex hmoov: 2% ~ 6%; lignin fiber ntau: 0.3% ~ 0.5%; Calcium hnyav: 11% ~ 13.6%. Qhov sib tov ntawm mortar yog roj hmab: vitrified hlaws = 2: 1 ~ 1.1.
kev tsim kho
Ntxuav lub hauv paus ntawm phab ntsa - ntub cov phab ntsa saum npoo - Dai lub ntsug, square, thiab elastic plaster thickness tswj kab - Tshaj tawm tus neeg sawv cev cuam tshuam - Ua cov ncuav mog qab zib, kos cov kab - Plaster tshuaj gypsum vitrified microbead thermal rwb thaiv tsev mortar - Me nyuam mos kub txheej kev txais tos- Siv gypsum anti-cracking mortar, thiab nias rau hauv alkali-resistant iav fiber mesh daim ntaub tib lub sij hawm - xyuas thiab txais ib tug txheej txheej ntawm plaster plaster - sib tsoo thiab calender - xyuas thiab txais.
Post lub sij hawm: Mar-22-2023